The Dragonfly BSD 2.0 release is available.
The big change would appear to be the
HAMMER filesystem, which supports snapshots, no-fsck crash recovery,
mirroring, and more.
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Dragonfly BSD 2.0 released
Posted Jul 22, 2008 16:05 UTC (Tue) by rsidd (subscriber, #2582)
[Link]
The HAMMER document that you link to is rather old -- Matt has posted a rather more up-to-date
and thorough document recently, that accurately describes the released version. But his poor
little T1 seems to be taking a beating right now so I'll wait a bit before posting a link.
Dragonfly BSD 2.0 released
Posted Jul 22, 2008 17:05 UTC (Tue) by patrick_g (subscriber, #44470)
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There is a recent pdf file here : http://apollo.backplane.com/DFlyMisc/hammer01.pdf
Very interesting document. It will be cool if there is, somewhere on the web, a comparaison
between new generation filesystems (Ext4, Btrfs, ZFS and HAMMER).
Dragonfly BSD 2.0 released
Posted Jul 22, 2008 19:01 UTC (Tue) by pbrutsch (guest, #4987)
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In all honesty I think ext4 would be a little out of place in that comparison.
ext4 is an evolution of ext3 and lacks most of the features supported by the others.
Dragonfly BSD 2.0 released
Posted Jul 23, 2008 4:00 UTC (Wed) by csawtell (guest, #986)
[Link]
Just read, quickly, through the .pdf. It looks to me as if the Reiser filesystems have just
been given their first realistic competitor.
I'm looking forward to seeing this in the Linux kernel.
I hope there are no licence or other political problems?
Dragonfly BSD 2.0 released
Posted Jul 23, 2008 8:21 UTC (Wed) by drag (subscriber, #31333)
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> Just read, quickly, through the .pdf. It looks to me as if the Reiser filesystems have just
been given their first realistic competitor.
Why? Do you see some problem with them that causes data corruption?
(hint: Reiserfs v-whatever was beaten out by Ext3 and XFS. Redhat and friends don't use
Reiserfs by accident or because they are jerks.)
> I'm looking forward to seeing this in the Linux kernel. I hope there are no licence or other
political problems?
Licensing is not a political problem. It's a legal one. Get copyright and paten law to change
and you'll probably see all these 'political' arguments over ZFS, DVD playback, mp3 support,
and other such nonsense go up in smoke. Try explaining to a lawyer some time that patent and
copyright law is just political and you don't have to worry about it if it gets in the way of
something you think sounds cool.
But unlike some other hyped up file system the creator didn't release it under a license
designed to purposely exclude Linux developers from using it. So if it's interesting enough
for somebody to take the time to port it to Linux then there shouldn't be a problem.
Dragonfly BSD 2.0 released
Posted Jul 25, 2008 3:35 UTC (Fri) by k8to (subscriber, #15413)
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There could still be political problems. I saw the two items as a list.
I don't really forsee any political problems when the intellectual owner of the project is
saying clearly in his documentation that he intends to support such a work.